In this tutorial, we will show how to use the Ubuntu ip command to see information about the local IP address, default gateway, and DNS servers on Ubuntu 20.04 Focal Fossa Linux. The IP address is used by your Ubuntu machine to talk to other devices on the network, like a router or other PCs. Keep in mind that your internal IP address is different from your system’s external IP.
Ubuntu 22.04 LTS Jammy Jellyfish was released on April 21, 2022. Users of Ubuntu 20.04 and Ubuntu 21.10 are able to upgrade to the latest release right now, and are recommended to do so in order to receive the latest features offered by Ubuntu. Ubuntu 22.04 will be supported with security patches and other updates for the next few years.
MicroK8s is one of the lightest Kubernetes deployments available, with a very small footprint. This makes it ideal for deployment on edge devices or lightweight machines such as a Raspberry Pi or virtual machine. It can be used in a production environment at a very small scale, but is probably mostly known for its use in development and testing. It is very simple to install and launch a quick Kubernetes cluster with MicroK8s, do your needed testing, and then remove the entire package.
Network setup for Ubuntu can range from easy to hard, depending on what you’re trying to do. Canonical prides itself on making their Ubuntu 22.04 Jammy Jellyfish Linux operating system very simple to use, even if you do not have a lot of technical knowledge. Despite its simplicity, Ubuntu has a lot going on under the hood to make things work, including networking configuration that allows you to connect to local devices or servers across the world.
After installing NGINX on Ubuntu Linux, either as a web server or reverse proxy server, you’ll need to learn the basics of administrating the service. In this tutorial, we’ll show how to check the status of NGINX on Ubuntu. This will give you information about the state of the NGINX service, to help you determine if it’s running, accepting connections successfully, etc. We’ll also explain the various states of NGINX, so you know what to do with the information that’s presented.
The functionalities of the GNOME desktop environment can be expanded with the installation of Ubuntu GNOME extensions. These are plugins written and submitted by normal users and developers that seek to improve the desktop environment and want to share their extension with other users. In this tutorial, you will learn how to install Gnome Shell Extensions on Ubuntu 22.04 Jammy Jellyfish Desktop.
If you are having trouble booting into your Ubuntu 22.04 system, there is a tool called Boot Repair that can remedy a broad range of frequent issues. Usually trouble with booting can be due to the GRUB boot menu or a corrupt file in the
/boot directory. Whatever the case may be, Boot Repair is an excellent software to help us start troubleshooting.
Checking for open ports on Ubuntu Linux is an essential part of security administration. Some Linux software works by listening for incoming connections. A simple example would be a web server, which handles user requests whenever someone navigates to a website. As a Linux administrator or user, it’s important to always know which ports of your system are open to the internet. Otherwise, you could be unaware of outside connections being made to your computer, which consumes bandwidth and resources, along with being a potential security hole.
If you are a Windows user and do not want to take the full plunge into Linux, Windows Subsystem for Linux can be a fair compromise to at least give you some Linux capabilities on your Windows sytem. Ubuntu 22.04 is a great operating system to install on WSL, and definitely the most popular of the Linux distributions currently offered. Both Windows 10 and Windows 11 systems are capable of installing Ubuntu 22.04 through WSL.
Wayland is a communication protocol that specifies the communication between a display server and its clients, and we can choose whether to enable/disable Wayland on Ubuntu. By default the Ubuntu 22.04 Jammy Jellyfish desktop already uses Wayland but it’s also possible to load to Xorg display server instead. In this tutorial, you will see how to disable and enable Wayland in Ubuntu 22.04 Jammy Jellyfish.
Every Ubuntu user that uses a graphical interface will have to interact with Mozilla Firefox in some capacity, since it’s the default internet browser on Ubuntu. Even if you just want to uninstall it and use a different browser, you’ll at least be dealing with it for a short time. In this guide, we’ll show you how you can install, update, and uninstall Firefox on Ubuntu Linux.